CN219614735U - B-type transcranial direct current stimulator - Google Patents
B-type transcranial direct current stimulator Download PDFInfo
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- CN219614735U CN219614735U CN202320877122.3U CN202320877122U CN219614735U CN 219614735 U CN219614735 U CN 219614735U CN 202320877122 U CN202320877122 U CN 202320877122U CN 219614735 U CN219614735 U CN 219614735U
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Abstract
The utility model relates to a B-type transcranial direct current stimulator, which comprises: the left end of one side of the shell is provided with a stimulating electrode socket A, the right end of one side of the shell is provided with a stimulating electrode socket B, the other side of the shell is provided with a power switch and a power signal interface, and a USB (universal serial bus) conversion 232 module, an A-channel electric stimulator and a B-channel electric stimulator are integrated in the shell; the A channel electric stimulator comprises an isolation circuit A, a singlechip A, DC/DC boost circuit A and a constant current drive circuit A, and the B channel electric stimulator comprises an isolation circuit B, a singlechip B, DC/DC boost circuit B and a constant current drive circuit B. The electric stimulator has small occupied space and greatly reduced volume, and has two electric stimulating channels corresponding to different stimulating electrodes to electrically stimulate different parts of the skull of the user. The transcranial direct current stimulator can be used for scientific research, is expected to be used in medical institutions, and is used for treatment and research of chronic insomnia.
Description
Technical Field
The utility model relates to the technical field of electric stimulation instruments, in particular to a B-type transcranial direct current stimulation instrument.
Background
Transcranial Direct Current Stimulation (TDCS) is a form of neural stimulation that is delivered directly to the brain region of interest via small electrodes with a constant low current. When these electrodes are placed in the region of interest, the current induces a cortical current flow, which may increase or decrease specific areas of neuronal excitability to alter brain operation. Currently, most of the transcranial direct current stimulators on the market are generally civil, and are not specific to the transcranial direct current stimulators for scientific research. Based on the above, the utility model designs a small-volume B-type transcranial direct current stimulator for scientific research.
Disclosure of Invention
The utility model provides a B-type transcranial direct current stimulator aiming at the problems and defects existing in the prior art.
The utility model solves the technical problems by the following technical proposal:
the utility model provides a B-type transcranial direct current stimulator which is characterized by comprising a shell, wherein a stimulating electrode socket A for connecting a stimulating electrode A is arranged at the left end of one side edge of the shell, a stimulating electrode socket B for connecting a stimulating electrode B is arranged at the right end of one side edge of the shell, a power switch and a power signal interface are arranged at the side edge of the other side of the shell, and a USB (universal serial bus) conversion 232 module, an A-channel electric stimulator and a B-channel electric stimulator are integrated in the shell.
The A channel electric stimulator comprises an isolation circuit A, a singlechip A, DC/DC boost circuit A and a constant current drive circuit A, wherein the input end of the isolation circuit A is electrically connected with a power switch through a USB (universal serial bus) conversion 232 module, the output end of the isolation circuit A is electrically connected with the input end of the singlechip A, the power switch is electrically connected with a power signal interface of an upper computer through a power signal interface, the output end of the singlechip A is respectively electrically connected with the input end of the constant current drive circuit A and the input end of the DC/DC boost circuit A, the output end of the DC/DC boost circuit A is electrically connected with the control end of the constant current drive circuit A, and the output end of the constant current drive circuit A is electrically connected with a stimulating electrode socket A.
The B channel electric stimulator comprises an isolation circuit B, a singlechip B, DC/DC boost circuit B and a constant current drive circuit B, wherein the input end of the isolation circuit B is electrically connected with a power switch through a USB (universal serial bus) conversion 232 module, the output end of the isolation circuit B is electrically connected with the input end of the singlechip B, the output end of the singlechip B is respectively electrically connected with the input end of the constant current drive circuit B and the input end of the DC/DC boost circuit B, the output end of the DC/DC boost circuit B is electrically connected with the control end of the constant current drive circuit B, and the output end of the constant current drive circuit B is electrically connected with a stimulating electrode socket B.
In the scheme, the transcranial direct current stimulator has small occupied space, greatly reduces the volume of the transcranial direct current stimulator, has two electric stimulation channels and can respectively correspond to different stimulation electrodes so as to electrically stimulate different parts of the cranium of a user. The transcranial direct current stimulator can be used for scientific research.
Preferably, a current indicator lamp A and a fault indicator lamp A are embedded at the left end of one side of the shell, and the A channel electric stimulator further comprises a current detection circuit A and an indicator lamp circuit A; the output end of the current detection circuit A is electrically connected with the input end of the single chip microcomputer A, the output end of the single chip microcomputer A is electrically connected with the input end of the indicator lamp circuit A, and the output end of the indicator lamp circuit A is electrically connected with the current indicator lamp A and the fault indicator lamp A respectively.
In the scheme, the current detection function of the A-channel electric stimulator is provided, the working state of the A-channel electric stimulator can be judged based on the current detected by the current detection circuit A, when the working state is normal, the current indicator lamp A corresponding to the A-channel electric stimulator is on, and when the working state is abnormal, the fault indicator lamp A corresponding to the A-channel electric stimulator is on.
Preferably, a current indicator lamp B and a fault indicator lamp B are embedded at the right end of one side edge of the shell, and the B channel electric stimulator further comprises a current detection circuit B and an indicator lamp circuit B; the output end of the current detection circuit B is electrically connected with the input end of the single chip microcomputer B, the output end of the single chip microcomputer B is electrically connected with the input end of the indicator lamp circuit B, and the output end of the indicator lamp circuit B is electrically connected with the current indicator lamp B and the fault indicator lamp B respectively.
In this scheme, have the current detection function of B passageway electric stimulator, can judge the operating condition of B passageway electric stimulator based on the electric current that current detection circuit B detected, when operating condition is in normally, the electric current pilot lamp B that B passageway electric stimulator corresponds is bright, and when operating condition is in unusual, the fault indication lamp B that B passageway electric stimulator corresponds is bright.
Preferably, a power indicator lamp A is embedded at the left end of one side of the shell, and the power indicator lamp A is electrically connected with the singlechip A.
In this scheme, A passageway electric stimulator is on electricity, and power indicator lamp A lights.
Preferably, a power indicator lamp B is embedded at the right end of one side of the shell, and the power indicator lamp B is electrically connected with the singlechip B.
In this scheme, B passageway electric stimulator is on electricity, and power indicator lamp B lights.
Preferably, the power switch adopts a touch electronic switch.
In this scheme, keep pressing the switch for two seconds and start, will enter the stimulated state later. If stopping is needed in the middle, the power switch is pressed down again for more than 1 second, and the B-type transcranial direct current stimulator is powered off.
Preferably, an emergency pause switch is embedded on the surface of the shell.
In the scheme, when an emergency occurs, an emergency pause switch is pressed, and the B-type transcranial direct current stimulator is powered off.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the utility model.
The utility model has the positive progress effects that:
in the scheme, the transcranial direct current stimulator has small occupied space, greatly reduces the volume of the transcranial direct current stimulator, has two electric stimulation channels and can respectively correspond to different stimulation electrodes so as to electrically stimulate different parts of the cranium of a user. The transcranial direct current stimulator can be used for scientific research, is expected to be used in medical institutions, and is used for treatment and research of chronic insomnia.
Drawings
FIGS. 1-2 are schematic structural diagrams of a B-type transcranial direct current stimulator according to the present utility model.
Fig. 3 is a control schematic diagram of the B-type transcranial direct current stimulator of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, the embodiment provides a B-type transcranial direct current stimulator, the model is XPNS208-B, and the mechanical structure is as follows: including casing 1, casing 1's one side left end has set gradually the stimulating electrode socket A2 that is used for connecting stimulating electrode A, electric current pilot lamp A4, fault indicator lamp A5 and power indicator lamp A6, casing 1's one side right-hand member has set gradually electric current pilot lamp B7, fault indicator lamp B8 and power indicator lamp B9 and is used for connecting stimulating electrode B's stimulating electrode socket B3, casing 1's opposite side is provided with switch 10 and power signal interface 11, the surface of casing inlays and is equipped with emergency pause switch 12.
The shell 1 is integrated with a USB-to-232 module, an A-channel electric stimulator and a B-channel electric stimulator.
Stimulation electrode socket A2: the device is used for connecting the A-path direct current stimulation electrode and outputting an A-path direct current stimulation signal.
Stimulating electrode socket B3: the device is used for connecting the B-path direct current stimulation electrode and outputting a B-path direct current stimulation signal.
Current indicator lamp A4: for displaying the current output of the a-channel electrical stimulator, such as a lamp lighting indicating that the current output exists in the a-channel.
Fault indicator A5: for displaying a failure problem of the A channel electric stimulator, such as a lamp lighting indicating that the A channel has a failure.
Power indicator A6: the power indicator lamp A is electrically connected with the singlechip A and is used for displaying the power state of the A channel electric stimulator, and if the lamp is on, the A channel electric stimulator is powered on and can treat.
Current indicator lamp B7: the power indicator lamp B is electrically connected with the singlechip B and is used for displaying the current output of the B channel electric stimulator, and if the lamp is on, the current output of the B channel is indicated.
Fault indicator B8: for displaying the failure problem of the B channel electric stimulator, such as the lighting of the lamp indicates that the B channel has failure.
Power indicator B9: the power state of the B channel electric stimulator is displayed, and if the lamp is on, the B channel electric stimulator can be used for treating.
Power switch 10: the power switch is a touch electronic switch and has an upper electronic starting mode, and the power switch can be pressed to start and shut down.
Power signal interface 11: the USB interface is connected with a USB interface wire of the upper computer, and the upper computer supplies power and transmits data to the A-channel electric stimulator and the B-channel electric stimulator.
Scram pause switch 12: when an abnormal condition occurs in the test process of the electric stimulator, the scram pause switch is pressed, the equipment is powered off, and the functions are stopped.
The A channel electric stimulator comprises an isolation circuit A, a singlechip A, DC/DC boost circuit A, a constant current drive circuit A, a current detection circuit A and an indicator lamp circuit A, wherein the input end of the isolation circuit A is electrically connected with a power switch through a USB-to-232 module, the output end of the isolation circuit A is electrically connected with the input end of the singlechip A, the power switch is electrically connected with a power signal interface of an upper computer through a power signal interface, the output end of the singlechip A is respectively electrically connected with the input end of the constant current drive circuit A, the input end of the DC/DC boost circuit A and the input end of the indicator lamp circuit A, the output end of the DC/DC boost circuit A is electrically connected with the control end of the constant current drive circuit A, the output end of the constant current drive circuit A is electrically connected with a stimulating electrode socket A2, and the output end of the current detection circuit A is respectively electrically connected with a current indicator lamp A4 and a fault indicator lamp A5.
The B channel electric stimulator comprises an isolation circuit B, a singlechip B, DC/DC boost circuit B, a constant current driving circuit B, a current detection circuit B and an indicator lamp circuit B, wherein the input end of the isolation circuit B is electrically connected with a power switch through a USB (universal serial bus) conversion 232 module, the output end of the isolation circuit B is electrically connected with the input end of the singlechip B, the output end of the singlechip B is respectively electrically connected with the input end of the constant current driving circuit B, the input end of the DC/DC boost circuit B and the indicator lamp circuit B, the output end of the DC/DC boost circuit B is electrically connected with the control end of the constant current driving circuit B, the output end of the constant current driving circuit B is electrically connected with a stimulating electrode socket B3, the output end of the current detection circuit B is electrically connected with the input end of the singlechip B, and the output end of the indicator lamp circuit B is respectively electrically connected with a current indicator lamp B7 and a fault indicator lamp B8.
The USB to 232 module, the isolation circuit A, the singlechip A, DC/DC boost circuit A, the constant current drive circuit A, the current detection circuit A and the indicator light circuit A all adopt existing chips or circuits, and the isolation circuit B, the singlechip B, DC/DC boost circuit B, the constant current drive circuit B, the current detection circuit B and the indicator light circuit B all adopt existing chips or circuits.
The working principle and the using process of the B-type transcranial direct current stimulator are specifically described as follows:
the positive electrode and the negative electrode of the stimulating electrode socket A are respectively inserted with a positive electrode stimulating electrode plate and a negative electrode stimulating electrode plate, the positive electrode stimulating electrode plate and the negative electrode stimulating electrode plate are respectively stuck and fixed on corresponding parts of the human head, the positive electrode and the negative electrode of the stimulating electrode socket B are respectively inserted with another positive electrode stimulating electrode plate and another negative electrode stimulating electrode plate, and the other positive electrode stimulating electrode plate and the other negative electrode stimulating electrode plate are respectively stuck and fixed on corresponding parts of the human head. The power signal interface 11 is connected with a power signal interface wire of the upper computer, and the upper computer supplies power for the A-channel electric stimulator and the B-channel electric stimulator.
The power switch is continuously pressed for two seconds, the upper computer supplies power for the A-channel electric stimulator and the B-channel electric stimulator, the A-channel electric stimulator is electrified, the power indicator lamp A6 is lighted, the A-channel electric stimulator enters a stimulation state later, the B-channel electric stimulator is electrified, the power indicator lamp B9 is lighted, and the B-channel electric stimulator enters the stimulation state later. If stopping is needed in the middle, the power switch 10 is pressed down again for more than 1 second, and the B-type transcranial direct current stimulator is powered off.
The upper computer downloads various electric stimulation control signals corresponding to the A channel electric stimulator to the singlechip A through the power signal interface and downloads various electric stimulation control signals corresponding to the B channel electric stimulator to the singlechip B.
The singlechip A is used for receiving an electric stimulation control signal corresponding to an A-channel electric stimulator downloaded by the upper computer through the isolation circuit A, outputting a voltage intensity control signal to the constant current drive circuit A based on the electric stimulation control signal, and simultaneously outputting a starting signal to the DC/DC booster circuit A, wherein the DC/DC booster circuit A boosts the drive voltage of the constant current drive circuit A from low voltage to high voltage, so that the constant current drive circuit A is controlled to output a constant current signal to the stimulation electrode socket A2, the stimulation electrode plate sends out an electric stimulation signal (direct current stimulation signal) to act on the skull of a human body, and the isolation circuit A is used for isolating two electric stimulation channels to ensure that the current of the A electric stimulation channels is not disturbed.
In the process, the current detection circuit A is used for detecting a current signal in the A-channel electric stimulator and transmitting the current signal to the singlechip A, the singlechip A is used for judging whether the A-channel electric stimulator has a fault or not based on the current signal detected by the current detection circuit A, the current detection circuit A is used for indicating that the A-channel electric stimulator is normal when the detected current signal is in a corresponding setting range, the indicator lamp circuit A is controlled to drive the current indicator lamp A4 to be lighted, the current detection circuit A is used for indicating that the A-channel electric stimulator has a fault when the detected current signal is not in the corresponding setting range, and the indicator lamp circuit A is controlled to drive the fault indicator lamp A5 to be lighted.
The singlechip B is used for receiving an electric stimulation control signal corresponding to the B channel electric stimulator downloaded by the upper computer through the isolation circuit B, outputting a voltage intensity control signal to the constant current drive circuit B based on the electric stimulation control signal, and simultaneously outputting a starting signal to the DC/DC booster circuit B, wherein the DC/DC booster circuit B boosts the driving voltage of the constant current drive circuit B from low voltage to high voltage, so that the constant current drive circuit B is controlled to output a constant current signal to the stimulation electrode jack B3, the stimulation electrode plate sends out an electric stimulation signal (direct current stimulation signal) to act on the skull of a human body, and the isolation circuit B is used for isolating two electric stimulation channels to ensure that the current of the B electric stimulation channels is not disturbed.
In the process, the current detection circuit B is used for detecting a current signal in the B channel electric stimulator and transmitting the current signal to the singlechip B, the singlechip B is used for judging whether the B channel electric stimulator has a fault or not based on the current signal detected by the current detection circuit B, the current detection circuit B is used for indicating that the B channel electric stimulator is normal when the detected current signal is in a corresponding setting range, the control indicator lamp circuit B is used for driving the current indicator lamp B7 to be lighted, and the control indicator lamp circuit B is used for indicating that the B channel electric stimulator has a fault when the detected current signal is not in the corresponding setting range, and the control indicator lamp circuit B is used for driving the fault indicator lamp B8 to be lighted.
The B-type transcranial direct current stimulator of the embodiment is connected with a power signal interface of a computer end through the power signal interface to realize upper and lower end communication.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (7)
1. The B-type transcranial direct current stimulator is characterized by comprising a shell, wherein a stimulating electrode socket A for connecting a stimulating electrode A is arranged at the left end of one side edge of the shell, a stimulating electrode socket B for connecting a stimulating electrode B is arranged at the right end of one side edge of the shell, a power switch and a power signal interface are arranged at the other side edge of the shell, and a USB (universal serial bus) conversion 232 module, an A-channel electric stimulator and a B-channel electric stimulator are integrated in the shell;
the A channel electric stimulator comprises an isolation circuit A, a singlechip A, DC/DC boost circuit A and a constant current drive circuit A, wherein the input end of the isolation circuit A is electrically connected with a power switch through a USB (universal serial bus) conversion 232 module, the output end of the isolation circuit A is electrically connected with the input end of the singlechip A, the power switch is electrically connected with a power signal interface of an upper computer through a power signal interface, the output end of the singlechip A is respectively electrically connected with the input end of the constant current drive circuit A and the input end of the DC/DC boost circuit A, the output end of the DC/DC boost circuit A is electrically connected with the control end of the constant current drive circuit A, and the output end of the constant current drive circuit A is electrically connected with a stimulating electrode socket A;
the B channel electric stimulator comprises an isolation circuit B, a singlechip B, DC/DC boost circuit B and a constant current drive circuit B, wherein the input end of the isolation circuit B is electrically connected with a power switch through a USB (universal serial bus) conversion 232 module, the output end of the isolation circuit B is electrically connected with the input end of the singlechip B, the output end of the singlechip B is respectively electrically connected with the input end of the constant current drive circuit B and the input end of the DC/DC boost circuit B, the output end of the DC/DC boost circuit B is electrically connected with the control end of the constant current drive circuit B, and the output end of the constant current drive circuit B is electrically connected with a stimulating electrode socket B.
2. The B-type transcranial direct current stimulator according to claim 1, wherein a current indicator light a and a fault indicator light a are embedded in the left end of one side of the shell, and the a-channel electrical stimulator further comprises a current detection circuit a and an indicator light circuit a;
the output end of the current detection circuit A is electrically connected with the input end of the single chip microcomputer A, the output end of the single chip microcomputer A is electrically connected with the input end of the indicator lamp circuit A, and the output end of the indicator lamp circuit A is electrically connected with the current indicator lamp A and the fault indicator lamp A respectively.
3. The B-type transcranial direct current stimulator according to claim 1, wherein a current indicator light B and a fault indicator light B are embedded in the right end of one side of the shell, and the B-channel electrical stimulator further comprises a current detection circuit B and an indicator light circuit B;
the output end of the current detection circuit B is electrically connected with the input end of the single chip microcomputer B, the output end of the single chip microcomputer B is electrically connected with the input end of the indicator lamp circuit B, and the output end of the indicator lamp circuit B is electrically connected with the current indicator lamp B and the fault indicator lamp B respectively.
4. The B-type transcranial direct current stimulator according to claim 1, wherein a power indicator lamp a is embedded in the left end of one side of the casing, and the power indicator lamp a is electrically connected with the single-chip microcomputer a.
5. The B-type transcranial direct current stimulator according to claim 1, wherein a power indicator lamp B is embedded in the right end of one side of the casing, and the power indicator lamp B is electrically connected with the single-chip microcomputer B.
6. The transcranial direct current stimulator of claim 1, wherein the power switch is a tact electronic switch.
7. The B-type transcranial direct current stimulator according to claim 1, wherein an emergency pause switch is embedded in the surface of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320877122.3U CN219614735U (en) | 2023-04-19 | 2023-04-19 | B-type transcranial direct current stimulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320877122.3U CN219614735U (en) | 2023-04-19 | 2023-04-19 | B-type transcranial direct current stimulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219614735U true CN219614735U (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320877122.3U Active CN219614735U (en) | 2023-04-19 | 2023-04-19 | B-type transcranial direct current stimulator |
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| CN (1) | CN219614735U (en) |
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- 2023-04-19 CN CN202320877122.3U patent/CN219614735U/en active Active
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